Home / 2,760,278.42-3,809,143.14-1,536,581.72

Finding the Fourth Proportional to 2,760,278.42, 3,809,143.14 and 1,536,581.72

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Solution

The fourth proportional to 2,760,278.42, 3,809,143.14 and 1,536,581.72 is: 2,120,459.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,760,278.42 : 3,809,143.14 = 1,536,581.72 : x
  2. Step 2: Convert to fraction form
    2,760,278.42/3,809,143.14 = 1,536,581.72/x
  3. Step 3: Cross multiply
    2,760,278.42x = 3,809,143.14 × 1,536,581.72
  4. Step 4: Simplify right side
    2,760,278.42x = 5,853,059,717,787.40
  5. Step 5: Solve for x
    x = 5,853,059,717,787.40/2,760,278.42
  6. Step 6: Final answer
    x = 2,120,459.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.